.admin{
  display: flex;
  height: 100vh;
  padding: 0 250px 0 100px;
}
.admin .left{
  width: 200px;
  background-color: skyblue;
}
.admin .main{
  flex: 1;
}
div>div{
  margin:20px;
  padding:5px 10px;
}
